802221658 has 24 divisors (see below), whose sum is σ = 1421054496. Its totient is φ = 332713080.

The previous prime is 802221649. The next prime is 802221661. The reversal of 802221658 is 856122208.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16360 + ... + 43267.

It is an arithmetic number, because the mean of its divisors is an integer number (59210604).

Almost surely, 2^802221658 is an apocalyptic number.

802221658 is a deficient number, since it is larger than the sum of its proper divisors (618832838).

802221658 is a wasteful number, since it uses less digits than its factorization.

802221658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59698 (or 59667 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 802221658 is about 28323.5177546858. The cubic root of 802221658 is about 929.1763077159.

The spelling of 802221658 in words is "eight hundred two million, two hundred twenty-one thousand, six hundred fifty-eight".